body {
    font-family: sans-serif;
    background-image: url('../img/bg.jpg');
    background-repeat: no-repeat;
    /* 溢出隐藏 */
    overflow: hidden;
    background-size: cover;
}

.container {
    width: 420px;
    margin: 4% auto;
    border-radius: 25px;
    background-color: rgba(0, 0, 0, 0.1);
    /* 阴影部分 */
    box-shadow: 0 0 17px #333;
}

.header {
    text-align: center;
    padding-top: 8px;
    margin-bottom: 30px;
}

.header h1 {
    color: #333;
    font-size: 40px;
    /* margin-bottom: 80px; */
}

.main {
    text-align: center;
}

.input-in {
    width: 260px;
    height: 40px;
    /* 边框消失 */
    border: none;
    /* 选中的时候的边框提醒去掉 */
    outline: none;
    padding-left: 40px;
    box-sizing: border-box;
    font-size: 15px;
    color: #333;
    margin-bottom: 40px;
}
/* 209000740 柳胜酉 */
.main button {
    width: 350px;
    height: 40px;
    padding-left: 0;
    background-color: #cd4a1ed5;
    letter-spacing: 1px;
    font-weight: bold;
    margin-bottom: 30px;
    /* 边框消失 */
    border: none;
    /* 选中的时候的边框提醒去掉 */
    outline: none;
    box-sizing: border-box;
    font-size: 18px;
    color: #333;

}

.main button:hover {
    box-shadow: 2px 2px 5px #555;
    background-color: #7799d4;
}

.main input:hover {
    box-shadow: 2px 2px 5px #555;
    background-color: #ddd;
}

.out {
    /* 相对定位 */
    position: relative;
}

.inside {
    /* 将span转换为块元素才能设置宽高 */
    display: inline-block;
    width: 90px;
    height: 40px;
    font-size: 15px;
    font-weight: bold;
    color: #333;
    font-weight: bold;
    /* 设置用户名两端对齐 */
    text-align-last: justify;
}

.inside_c {
    /* 将span转换为块元素才能设置宽高 */
    display: inline-block;
    width: 260px;
    height: 40px;
    font-size: 15px;
    font-weight: bold;
    color: #333;
    font-weight: bold;
}

#reg{
    width: 90px;
    font-size: 15px;
    font-weight: bold;
    color: #333;
    border: none;
    outline: none;
    background-color: rgb(139, 149, 176);
}

.decrib{
	display: inline-block;
    width: 90px;
    height: 40px;
    color: #333;
    font-weight: bold;
    text-align-last: justify;
}

#canvas {
	width: 103px;
	height: 40px;
	float: right;
    margin-right: 10px;
	display: inline-block;
	border: 1px solid #ccc;
	border-radius: 5px;
	cursor: pointer;
}

.input-val {
	width:145px;
	height: 40px;
    /* 边框消失 */
    border: none;
    /* 选中的时候的边框提醒去掉 */
    outline: none;
    padding-left: 40px;
    box-sizing: border-box;
    font-size: 15px;
    color: #333;
    margin-bottom: 20px;
}

.agree{
    text-decoration: none;
    color: blue;
}